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ui: crude message drawing
+74
+74
src/irc.zig
+74
src/irc.zig
···
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try children.append(topic_border);
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}
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const msg_view_ctx = ctx.withConstraints(.{ .height = 0, .width = 0 }, .{
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.height = max.height - 4,
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.width = max.width,
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});
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const message_view = try self.drawMessageView(msg_view_ctx);
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try children.append(.{
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.origin = .{ .row = 2, .col = 0 },
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.surface = message_view,
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});
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// Draw the text field
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try children.append(.{
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.origin = .{ .col = 0, .row = max.height - 1 },
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.surface = try self.text_field.draw(ctx),
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});
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return .{
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.size = max,
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.widget = self.contentWidget(),
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.buffer = &.{},
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.children = children.items,
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};
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}
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fn drawMessageView(self: *Channel, ctx: vxfw.DrawContext) Allocator.Error!vxfw.Surface {
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const max = ctx.max.size();
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if (max.width == 0 or max.height == 0) {
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return .{
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.size = max,
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.widget = self.contentWidget(),
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.buffer = &.{},
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.children = &.{},
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};
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}
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var children = std.ArrayList(vxfw.SubSurface).init(ctx.arena);
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// Row is the row we are printing on.
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var row: i17 = max.height;
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var iter = std.mem.reverseIterator(self.messages.items);
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const gutter_width = 6;
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while (iter.next()) |msg| {
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// Break if we have gone past the top of the screen
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if (row < 0) break;
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// Draw the message so we have it's wrapped height
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const text: vxfw.Text = .{ .text = msg.bytes };
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const child_ctx = ctx.withConstraints(
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.{ .height = 0, .width = 0 },
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.{ .width = max.width - gutter_width, .height = null },
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);
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const surface = try text.draw(child_ctx);
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// Adjust the row we print on for the wrapped height of this message
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row -= surface.size.height;
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try children.append(.{
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.origin = .{ .row = row, .col = gutter_width },
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.surface = surface,
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});
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// If we have a time, print it in the gutter
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if (msg.localTime(&self.client.app.tz)) |instant| {
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const time = instant.time();
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const buf = try std.fmt.allocPrint(
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ctx.arena,
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"{d:0>2}:{d:0>2}",
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.{ time.hour, time.minute },
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);
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const time_text: vxfw.Text = .{
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.text = buf,
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.style = .{ .dim = true },
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.softwrap = false,
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};
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try children.append(.{
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.origin = .{ .row = row, .col = 0 },
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.surface = try time_text.draw(child_ctx),
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});
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}
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}
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return .{
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.size = max,